About: http://webisa.webdatacommons.org/389656216

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Data signals including control and text signals are inserted on the vertical interval of television signals transmitted to the terminal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com